ABAP Select data from SAP table IECONTPRODCHGS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP IECONTPRODCHGS table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to IECONTPRODCHGS. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the IECONTPRODCHGS table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_IECONTPRODCHGS TYPE STANDARD TABLE OF IECONTPRODCHGS,
      WA_IECONTPRODCHGS TYPE IECONTPRODCHGS,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <IECONTPRODCHGS> TYPE IECONTPRODCHGS.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_IECONTPRODCHGS.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM IECONTPRODCHGS
  INTO TABLE IT_IECONTPRODCHGS.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IECONTPRODCHGS
*  INTO TABLE @DATA(IT_IECONTPRODCHGS2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_IECONTPRODCHGS INDEX 1 INTO DATA(WA_IECONTPRODCHGS2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_IECONTPRODCHGS ASSIGNING <IECONTPRODCHGS>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IECONTPRODCHGS>-MANDT = 1.
<IECONTPRODCHGS>-UTILITIESCONTRACT = 1.
<IECONTPRODCHGS>-UTILSPRODALLOCATIONENDDATE = 1.
<IECONTPRODCHGS>-COMPANYCODE = 1.
<IECONTPRODCHGS>-UTILITIESDIVISION = 1.

ENDLOOP.

LOOP AT IT_IECONTPRODCHGS INTO WA_IECONTPRODCHGS.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IECONTPRODCHGS-ALTERNATIVEUTILITIESPORTION, sy-vline,
  WA_IECONTPRODCHGS-UTILSCONTRISBILLEDMANUALLY, sy-vline,
  WA_IECONTPRODCHGS-UTILSBILLGBLOCKREASON, sy-vline,
  WA_IECONTPRODCHGS-UTILSBILLGUNBLOCKREASON, sy-vline,
  WA_IECONTPRODCHGS-UTILITIESINSTALLATION, sy-vline,
  WA_IECONTPRODCHGS-UTILITIESMOVEINDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IECONTPRODCHGS you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_IECONTPRODCHGS TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_IECONTPRODCHGS INTO WA_IECONTPRODCHGS.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit ALPHA, internal->external for field UTILITIESCONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IECONTPRODCHGS-UTILITIESCONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IECONTPRODCHGS-UTILITIESCONTRACT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field UTILITIESINSTALLATION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IECONTPRODCHGS-UTILITIESINSTALLATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IECONTPRODCHGS-UTILITIESINSTALLATION.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_IECONTPRODCHGS_STR, 
MANDT TYPE STRING,
UTILITIESCONTRACT TYPE STRING,
UTILSPRODALLOCATIONENDDATE TYPE STRING,
COMPANYCODE TYPE STRING,
UTILITIESDIVISION TYPE STRING,
ALTERNATIVEUTILITIESPORTION TYPE STRING,
UTILSCONTRISBILLEDMANUALLY TYPE STRING,
UTILSBILLGBLOCKREASON TYPE STRING,
UTILSBILLGUNBLOCKREASON TYPE STRING,
UTILITIESINSTALLATION TYPE STRING,
UTILITIESMOVEINDATE TYPE STRING,
UTILITIESMOVEOUTDATE TYPE STRING,
UTILSCONTRACTCREATIONDATE TYPE STRING,
UTILSCONTRACTCREATEDBYUSER TYPE STRING,
UTILSCONTRACTLASTCHANGEDATE TYPE STRING,
UTILSCONTRACTLASTCHANGEDBYUSER TYPE STRING,
UTILSPLANTORCOMPANYCONSUMPTION TYPE STRING,
UTILSCONTRJOINTINVCTYPE TYPE STRING,
UTILITIESCONTRACTCANCLNDATE TYPE STRING,
UTILITIESCONTRACTRENEWALDATE TYPE STRING,
CADUNNINGPROCEDURE TYPE STRING,
UTILITIESSERVICEPROVIDER TYPE STRING,
UTILSCONTRACTPROCESSINGSTS TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,
DELETIONINDICATOR TYPE STRING,
UTILSOUTSRTGCHECKGRPFORBILLG TYPE STRING,
UTILITIESACCOUNTDETNCODE TYPE STRING,
UTILSCONTRSPCFCBDGTBILLGCYCLE TYPE STRING,
UTILSBILLGOUTSORTINGREASON TYPE STRING,
UTILSCONTRACTTERMINATIONDATE TYPE STRING,
UTILSPRODALLOCATIONSTARTDATE TYPE STRING,
UTILITIESPRODUCT TYPE STRING,
UTILSCONTRHISTORYISNOTEXISTING TYPE STRING,
UTILITIESPREVIOUSPRODUCT TYPE STRING,
NUMBEROFPRODUCTCHANGES TYPE STRING,
UTILSMOVEINDATEASYEARMONTH TYPE STRING,
UTILSMOVEOUTDATEASYEARMONTH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IECONTPRODCHGS_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_IECONTPRODCHGS_STR-MANDT sy-vline 
WA_IECONTPRODCHGS_STR-UTILITIESCONTRACT sy-vline 
WA_IECONTPRODCHGS_STR-UTILSPRODALLOCATIONENDDATE sy-vline 
WA_IECONTPRODCHGS_STR-COMPANYCODE sy-vline 
WA_IECONTPRODCHGS_STR-UTILITIESDIVISION sy-vline 
WA_IECONTPRODCHGS_STR-ALTERNATIVEUTILITIESPORTION sy-vline 
WA_IECONTPRODCHGS_STR-UTILSCONTRISBILLEDMANUALLY sy-vline 
WA_IECONTPRODCHGS_STR-UTILSBILLGBLOCKREASON sy-vline 
WA_IECONTPRODCHGS_STR-UTILSBILLGUNBLOCKREASON sy-vline 
WA_IECONTPRODCHGS_STR-UTILITIESINSTALLATION sy-vline 
WA_IECONTPRODCHGS_STR-UTILITIESMOVEINDATE sy-vline 
WA_IECONTPRODCHGS_STR-UTILITIESMOVEOUTDATE sy-vline 
WA_IECONTPRODCHGS_STR-UTILSCONTRACTCREATIONDATE sy-vline 
WA_IECONTPRODCHGS_STR-UTILSCONTRACTCREATEDBYUSER sy-vline 
WA_IECONTPRODCHGS_STR-UTILSCONTRACTLASTCHANGEDATE sy-vline 
WA_IECONTPRODCHGS_STR-UTILSCONTRACTLASTCHANGEDBYUSER sy-vline 
WA_IECONTPRODCHGS_STR-UTILSPLANTORCOMPANYCONSUMPTION sy-vline 
WA_IECONTPRODCHGS_STR-UTILSCONTRJOINTINVCTYPE sy-vline 
WA_IECONTPRODCHGS_STR-UTILITIESCONTRACTCANCLNDATE sy-vline 
WA_IECONTPRODCHGS_STR-UTILITIESCONTRACTRENEWALDATE sy-vline 
WA_IECONTPRODCHGS_STR-CADUNNINGPROCEDURE sy-vline 
WA_IECONTPRODCHGS_STR-UTILITIESSERVICEPROVIDER sy-vline 
WA_IECONTPRODCHGS_STR-UTILSCONTRACTPROCESSINGSTS sy-vline 
WA_IECONTPRODCHGS_STR-AUTHORIZATIONGROUP sy-vline 
WA_IECONTPRODCHGS_STR-DELETIONINDICATOR sy-vline 
WA_IECONTPRODCHGS_STR-UTILSOUTSRTGCHECKGRPFORBILLG sy-vline 
WA_IECONTPRODCHGS_STR-UTILITIESACCOUNTDETNCODE sy-vline 
WA_IECONTPRODCHGS_STR-UTILSCONTRSPCFCBDGTBILLGCYCLE sy-vline 
WA_IECONTPRODCHGS_STR-UTILSBILLGOUTSORTINGREASON sy-vline 
WA_IECONTPRODCHGS_STR-UTILSCONTRACTTERMINATIONDATE sy-vline 
WA_IECONTPRODCHGS_STR-UTILSPRODALLOCATIONSTARTDATE sy-vline 
WA_IECONTPRODCHGS_STR-UTILITIESPRODUCT sy-vline 
WA_IECONTPRODCHGS_STR-UTILSCONTRHISTORYISNOTEXISTING sy-vline 
WA_IECONTPRODCHGS_STR-UTILITIESPREVIOUSPRODUCT sy-vline 
WA_IECONTPRODCHGS_STR-NUMBEROFPRODUCTCHANGES sy-vline 
WA_IECONTPRODCHGS_STR-UTILSMOVEINDATEASYEARMONTH sy-vline 
WA_IECONTPRODCHGS_STR-UTILSMOVEOUTDATEASYEARMONTH sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.